GTAC Observation Log 1. Date : 03/06/2018 2. Observation Sr. No. : 10304 3. Observer : Meera Nandakumar, Prasun Dutta 4. Observer's Email : meeranandakr.rs.phy17@itbhu.ac.in, pdutta.phy@itbhu.ac.in 5. Project Name : Density and velocity of turbulent HI in spiral galaxies 6. Project Code : 34_107 7. Operator(s) : Navnath, Nilesh, Sachin 8. Command File : /odisk/gtac/cmd/prasun/34_107/ngc5236.cmd 9. LTA File : /gsbifrdata1/02jun/34_107_02jun2018_gsb.lta, /gwbifrdata1/02jun/34_107_02jun2018_gwb.lta 10. LogFlag File : /odisk/online1/logflags/34_107.FLAGS ANTENNA SETTINGS : 11. RF Band(MHz) & Solar Attn(dB)- RF1 : 1428.3165 MHz ,RF2 : 1428.3165 MHz, SA1 : 0 dB, SA2 : 0 dB 12. Ist LO (MHz) & IVth LO (MHz): ILO1 : 1490 MHz, ILO2 : 1490MHz , IVLO1 : 61.6835 MHz, IVLO2 : 61.6835 MHz 13. IF Attn(dB) , IF BW(MHz) & IF ALC : IF-CH1 : 4+14 dB, 16 MHz,ON, IF-CH2 : 4+14 dB, 6 MHz,ON GSB SETTINGS : 14. GSB Host : gsbm1_shivneri 15. GSB Mode : Realtime 16. GSB LTA : 8 17. GSB CTRL : ONLINE 18. GSB Fstop : ON 19. GAIN EQ : ON 20. Stokes : Total_Intensity 21. Beam - 1 : OFF 22. Beam - 2 : OFF 23. ACQ BW : 16.666666 MHz 24. Final BW : 4 MHz; Step # 2 25. Maximum Channels : 512 26. Channel Numbers : 0:511:1 27. LO5 -1 : 138.3165 28. LO5 -2 : 166.6835 29. Frequency Parameters (TPA) : 1428.3165 1428.3165 1490 1490 61.6835 61.6835 30. Integration Time : 16.1061 Sec 31. No of Antennas Working(Fringing) at the beginning :27 32. Name of Non-Working Antennas (with reason for each) : C01 : : No Fringe GSB. W03 : : No Fringe GSB. W05 : : No Fringe Both GSB and GWB. C05 : : CH1 Low Fringe. 33. Note for Backup : 34. Start and End Time of Obs.(IST): 02 Jun 2018 17:00:00 - 03 Jun 2018 01:40:00 35. ONLINE Machine : Lenyadri 36. No of Antennas Working(Fringing) at the end :27 37. Comments (During Observations) : 17:00 : Started settings. ------------GWB Setting--------- GPU_MODE : Realtime GPU_LTA : 4 GPU_ACQ_BW : 100.0000 GPU_FINAL_BW : 12.5000 GPU_EDGE_FRQ : 0 GPU_CHAN_MAX : 4096 GPU_CHAN_NUM : 0:4095:1 GPU_STOKES : Total_Intensity GPU_SIDEBAND : 1 1 GPU_RF4 : 1460 1460 GPU_DDCLO4 : 35.8500 35.8500 GPU_SB4 : 1 1 GCODE4 : 34_107 GPU_CNTRL : ONLINE GPU_FSTOP : ON GPU_BEAM_1 : OFF GPU_BEAM_2 : OFF GPU_BEAM_3 : OFF GPU_BEAM_4 : OFF GPU_BM_INT : 4 GPU_GAINEQ : OFF GPU_TPA : From GWB GUI. -------------------------------- 17:26 : Started scan on 3C286 for ~ 14.8982 min. 17:40 : Started command file. /odisk/gtac/cmd/prasun/34_107/ngc5236.cmd 18:21 : E-arm power failure. 18:40 : E-arm power glitch (switch from GenSet-MSEDCL-GenSet Back). 19:25 : E-arm power restored as... E02,E03,E04 - MSEDCL E05,E06 - GenSet 00:30 : restarted cmd file. /odisk/gtac/cmd/prasun/34_107/ngc5236_1.cmd 01:35 : Observation session over. -------------------------------------------------------